A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 6220-01-159-6204
NSN 5930-00-943-9214
NSN 5910-01-570-7343
NSN 6150-00-964-4054
NSN 5998-00-922-1611
NSN 5905-01-301-5786
NSN 5999-01-605-7634
NSN 5990-00-811-5227
NSN 5999-01-227-1976
NSN 2925-00-063-5898
NSN 6610-00-759-2561
NSN 5930-00-325-8789